tests: Run the tests for the Python bindings of GPGME.

* tests/gpgme/gpgme-defs.scm (create-file): Write lines.
(create-gpgmehome): Extend function to create the right environment
for the Python tests.
* tests/gpgme/run-tests.scm: Make an environment cache for the Python
tests and enable them.
* tests/gpgme/wrap.scm: Do not hardcode the path of the Python
interpreter.

Signed-off-by: Justus Winter <justus@g10code.com>

tests/gpgme/gpgme-defs.scm

@@ -45,12 +45,25 @@
 ;; The tests expect the pinentry to return the passphrase "abc".
 (setenv "PINENTRY_USER_DATA" "abc" #t)
 
-(define (create-file name content)
+(define (create-file name . lines)
   (letfd ((fd (open name (logior O_WRONLY O_CREAT O_BINARY) #o600)))
-    (display content (fdopen fd "wb"))))
+    (let ((port (fdopen fd "wb")))
+      (for-each (lambda (line) (display line port) (newline port)) lines))))
 
 (define (create-gpgmehome . path)
-  (create-file "gpg.conf" "no-force-v3-sigs\n")
+  ;; Support for various environments.
+  (define mode
+    (cond
+     ((equal? path '("lang" "python" "tests"))
+      (set! path '("tests" "gpg")) ;; Mostly uses files from tests/gpg.
+      'python)
+     (else
+      'gpg)))
+
+  (create-file
+   "gpg.conf"
+   "no-force-v3-sigs"
+   (string-append "agent-program " (tool 'gpg-agent) "|--debug-quick-random\n"))
   (create-file
    "gpg-agent.conf"
    (string-append "pinentry-program " (tool 'pinentry)))
@@ -75,6 +88,21 @@
      (call-check `(,@GPG --yes --import ,(apply in-gpgme-srcdir
 						`(,@path ,file)))))
    (list "pubdemo.asc" "secdemo.asc"))
+
+  (when (equal? mode 'python)
+	(log "Importing extra keys for Python tests")
+	(for-each
+	 (lambda (file)
+	   (call-check `(,@GPG --yes --import
+			       ,(apply in-gpgme-srcdir
+				       `("lang" "python" "tests" ,file)))))
+	 (list "encrypt-only.asc" "sign-only.asc"))
+
+	(log "Marking key as trusted")
+	(pipe:do
+	 (pipe:echo "A0FF4590BB6122EDEF6E3C542D727CC768697734:6:\n")
+	 (pipe:spawn `(,(tool 'gpg) --import-ownertrust))))
+
   (stop-agent))
 
 ;; Initialize the test environment, install appropriate configuration

tests/gpgme/run-tests.scm

@@ -40,7 +40,11 @@
 		   run-tests-parallel
 		   run-tests-sequential))
        (setup-c (make-environment-cache
-		 (test::scm #f "setup.scm" (in-srcdir "setup.scm") "--" "tests" "gpg")))
+		 (test::scm #f "setup.scm (tests/gpg)" (in-srcdir "setup.scm")
+			    "--" "tests" "gpg")))
+       (setup-py (make-environment-cache
+		  (test::scm #f "setup.scm (lang/python/tests)" (in-srcdir "setup.scm")
+			     "--" "lang" "python" "tests")))
        (tests (filter (lambda (arg) (not (string-prefix? arg "--"))) *args*)))
   (runner
    (apply
@@ -67,6 +71,5 @@
 			     -- ,@(:path cmpnts))))
 		  (if (null? tests) (all-tests makefile (:key cmpnts)) tests))))
 	 `((("tests" "gpg") "c_tests" ,setup-c)
-	   ;; XXX: Not yet.
-	   ;; (("lang" "python" "tests") "py_tests")
+	   (("lang" "python" "tests") "py_tests" ,setup-py)
 	   (("lang" "qt" "tests") "TESTS" ,setup-c))))))

tests/gpgme/wrap.scm

@@ -29,6 +29,9 @@
 (setenv "top_srcdir" gpgme-srcdir #t)
 (setenv "srcdir" (path-join gpgme-srcdir "tests" "gpg") #t)
 
+(define python (catch #f
+		      (path-expand "python" (string-split (getenv "PATH") *pathsep*))))
+
 (define (run what)
   (if (string-suffix? (car what) ".py")
       (begin
@@ -39,15 +42,17 @@
 				   (getenv "LD_LIBRARY_PATH"))
 		    (path-join gpgme-builddir "src/.libs"))
 		#t)
-	(call-with-fds
-	 `("/usr/bin/python"
-	   ,(in-gpgme-srcdir "lang" "python" "tests" "run-tests.py")
-	   --quiet
-	   --interpreters=/usr/bin/python
-	   --builddir ,(path-join gpgme-builddir "lang" "python" "tests")
-	   ,@what)
-	 STDIN_FILENO STDOUT_FILENO STDERR_FILENO))
-      (if #f 77 (call-with-fds what STDIN_FILENO STDOUT_FILENO STDERR_FILENO))))
+	(if python
+	    (call-with-fds
+	     `(,python
+	       ,(in-gpgme-srcdir "lang" "python" "tests" "run-tests.py")
+	       --quiet
+	       ,(string-append "--interpreters=" python)
+	       --builddir ,(path-join gpgme-builddir "lang" "python" "tests")
+	       ,@what)
+	     STDIN_FILENO STDOUT_FILENO STDERR_FILENO)
+	    77))
+      (call-with-fds what STDIN_FILENO STDOUT_FILENO STDERR_FILENO)))
 
 (let ((name (basename (car executable))))
   (cond